import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from './commponents/Login.vue'
import Home from './commponents/Home.vue'
import Welcome from './commponents/Welcome.vue'
import Users from './commponents/user/Users.vue'
import Rights from './commponents/power/Rights.vue'
import Roles from './commponents/power/Roles.vue'
import Cate from './commponents/goods/Cate.vue'
import Params from './commponents/goods/Params.vue';
import GoodsList from './commponents/goods/List.vue';
import Add from './commponents/goods/Add.vue';
import Order from './commponents/order/Order.vue';
import Report from './commponents/report/Report.vue';

Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
    { path: '/login', component: Login },
    {
      path: '/home',
      component: Home,
      redirect: '/welcome',
      children: [
        { path: '/welcome', component: Welcome },
        { path: '/users', component: Users },
        { path: '/rights', component: Rights },
        { path: '/roles', component: Roles },
        { path: '/categories', component: Cate },
        { path: '/params', component: Params },
        { path: '/goods', component: GoodsList },
        { path: '/goods/add', component: Add },
        { path: '/orders', component: Order },
        { path: '/reports', component: Report }
      ]
    }
]

const router = new VueRouter({
  routes
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数，表示放行
  // next()  放行    next('/login')  强制跳转
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
